3 way light switch using a two wire control . www.lightwiring.co.uk
Three. Three-controller switchmeans the circuit can independently control the same lamp's lighting or extinguishing in three different places, and the circuit is shown as the figure. In the figure S1 , S3, 1 Ã 2 are single - pole double-throw switches, and S2 uses the 2 Ã 2 DPDT switch.
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